@misc{cryptoeprint:2015:350,
    author = {Florian Mendel and Tomislav Nad and Martin Schläffer},
    title = {Improving Local Collisions: New Attacks on Reduced SHA-256},
    howpublished = {Cryptology ePrint Archive, Report 2015/350},
    year = {2015},
    url = {https://eprint.iacr.org/2015/350},
}